SQL access to server information
List who is using each database.
Display information about your server configuration.
Display free space available like the Unix df -k command.
List the status and characteristics of each chunk device.
Display blocks of free space to plan where to put large tables.
Display IO statistics by chunk devices.
Display which chunks are getting used the most.
Present a layout of dbspace, databases, tables, and extents.
Show table usage statistics sorted by reads, writes or locks.